1. verb; the attempt made by one to vocally replicate the sounds that would normally eminate from a drum set, drum machine or drum loop through a series of noises or popping sounds made with the mouth. 'beatboxing' is used throughout the hip-hop scene, and talented 'beatboxers' can be found in several urban settings.

In 1985 an MC named Doug E. Fresh introduced to the world the first human Beat Box. He did a song called "La Di Da Di" where he made the beat with is mouth and MC Ricky D (later known as Slick Rick) did ryhmes over it. The song became classic and people even tried to beat box as good as him.
There hasn't really been a good beat boxer than Doug E. Fresh, but nowadays theres another beat boxer named Rahzel that likes to copy song with beat box and make them as sound as close as possible. He is very excellent at human beat boxing and human turntablism

There a song called "Flash is on the Beat Box" by Grandmaster Flash which he uses a beat box, meaning a drum machine.

A smart phone that is primarily used for looking at porn so that one gets aroused enough to whack off. It's a little box that is used to view hot chicks before you can beat your man sausage. Typically the owner of the device refers to it as his cell phone, but his friends routinely borrow it and sneak into the bathroom to spank it.

Hey Balls, what is all of this sticky shit on your beat box? Do you have an unlimited data plan cause I'm about to go gilf searching beeotch.

An annoying co-worker who makes dumb sounds or mumbles phrases to themselves. (Known to be even more annoying when they do this while entering your office or when you walk by their desk, in a lame attempt to catch attention). Calling them a beatbox allows you to talk about them in public and makes people think you are discussing american idol.